(19)
(11) EP 0 948 020 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.06.2000 Bulletin 2000/23

(43) Date of publication A2:
06.10.1999 Bulletin 1999/40

(21) Application number: 99302511.3

(22) Date of filing: 31.03.1999
(51) International Patent Classification (IPC)7: H01H 71/02, H01H 71/24, H01H 3/24, H01H 71/74
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 02.04.1998 ZA 9802814

(71) Applicant: Circuit Breaker Industries Limited
Elandsfontein, Gauteng (ZA)

(72) Inventor:
  • Weber, Wolfgang
    Randburg, Gauteng (ZA)

(74) Representative: Ablewhite, Alan James 
MARKS & CLERK, 57/60 Lincoln's Inn Fields
London WC2A 3LS
London WC2A 3LS (GB)

   


(54) A trip unit for an hydraulic/magnetic circuit breaker


(57) An hydraulic/magnetic trip unit (10) for a circuit breaker (18) is modular and removable from the circuit breaker. The invention also relates to a circuit breaker including a modular and removable hydraulic/magnetic trip unit.






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